Silverstone's ECM23 is an adapter card Designed for users wanting to utilize or add speedy M.2 devices such as SSD onto their existing PC or motherboard. ECM23 supports M.2 device (M key) to run via the super fast PCIe interface for added storage potential. It also includes an aluminum heatsink to enhance cooling and protect installed M.2 device. For users looking to expand their M.2 slots with fastest interface possible, The ECM23 is a must have.